Patents Assigned to Delavan Inc.
  • Patent number: 10688577
    Abstract: A method of manufacturing includes depositing a first braze material to a first joint location between a first component having a first coefficient of thermal expansion and an intermediate component. The first component is fitted to the intermediate component at room temperature at the first joint location. A second braze material is deposited to a second joint location between the intermediate component and a second component having a second coefficient of thermal expansion. The second component is fitted to the intermediate component at room temperature at the second joint location. The intermediate component has a coefficient of thermal expansion between the first coefficient of thermal expansion and the second coefficient of thermal expansion.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: June 23, 2020
    Assignee: Delavan Inc.
    Inventor: Jerry Logsdon
  • Publication number: 20200182764
    Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.
    Type: Application
    Filed: February 17, 2020
    Publication date: June 11, 2020
    Applicant: Delavan, Inc.
    Inventors: Jacob Greenfield, Thomas J. Ocken, Jerry Logsdon, Lukas Shea
  • Patent number: 10669071
    Abstract: A powder container can include a body defining a chamber having a bulk opening, a moveable cover configured to selectively cover the bulk opening, and a hopper nozzle extending from the body and in fluid communication with the chamber configured to allow powder to exit or enter the chamber, the hopper nozzle being smaller than the bulk opening.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: June 2, 2020
    Assignee: DELAVAN INC
    Inventors: Diana Giulietti, Matthew Donovan, Kiley J. Versluys, Daniel Brindley
  • Patent number: 10634355
    Abstract: A nozzle includes a nozzle body defining a longitudinal axis. The nozzle body includes an inner air passage fed by a radial swirler and having a converging conical cross-section. A first fuel circuit is radially outboard from the air passage with respect to the longitudinal axis. A second fuel circuit is radially outboard from the first fuel circuit with respect to the longitudinal axis, wherein each of the first fuel circuit and the second fuel circuit extends from a respective fuel circuit inlet to a respective annular fuel circuit outlet. An outer air passage is defined between a fuel circuit outer wall and an outer air passage wall, wherein the outer air passage is a converging non-swirling outer air passage.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: April 28, 2020
    Assignee: Delavan Inc.
    Inventors: Lev Alexander Prociw, Jason A. Ryon
  • Patent number: 10620139
    Abstract: An inspection method include introducing a mixture of expanding foam and a particulate material into a region of interest of an object, fixing the powder within the region of the interest relative to the object, and acquiring image data of the object and particulate mixture using an x-ray source and an x-ray detector. The particulate has a density that is greater than the density of a material forming the object to provide contrast between the region of interest and the object in an image generated using the image data.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: April 14, 2020
    Assignee: Delavan Inc.
    Inventors: Eric W. Karlen, William Louis Wentland
  • Patent number: 10605171
    Abstract: An internal fuel manifold for a turbomachine can include an outer ring defining one or more fuel supply channels configured to allow fuel flow around at least a portion of a circumference of the outer ring, and a plurality of branches extending radially inward from the outer ring. The branches include a high aspect ratio shape. The plurality of branches can include one or more branch fuel channels in fluid communication with at least one of the one or more fuel supply channels. The manifold includes one or more injector connectors extending axially aft from each branch, each injector connector in fluid communication with a branch fuel channel and configured to connect to a fuel injector. The manifold can include an inner ring extending from the plurality of branches. The inner ring and the outer ring are configured to receive a fuel injector and combustor assembly therebetween and to allow retaining of the fuel injector assembly and combustor assembly to the internal fuel manifold.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: March 31, 2020
    Assignee: Delavan Inc.
    Inventors: Jason A. Ryon, Lev Alexander Prociw, Gregory A. Zink
  • Publication number: 20200088313
    Abstract: A fluid valve use in a turbomachine in a high temperature location includes a fluid inlet, a fluid outlet, a fluid circuit defined between the fluid inlet and the fluid outlet, and a solenoid including a solenoid casing. The solenoid is disposed between the fluid inlet and fluid outlet. The solenoid is configured to move a valve member between a closed position, at least one partially open position (e.g., any number of suitable positions), and a fully open position to selectively meter fluid flow through the fluid circuit. The fluid valve can include a valve casing, wherein the solenoid and valve member are disposed in the valve casing.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 19, 2020
    Applicant: Delavan Inc.
    Inventors: Daniel Edward Bleeker, Francis P. Marocchini
  • Publication number: 20200086384
    Abstract: An additive manufacturing build plate system includes a plate body defining a build surface and a rear surface opposite the build surface. A peripheral surface extends between the rear surface and the build surface. At least one gripping feature is defined in the peripheral surface, extending inwardly into the plate body between the build surface and the rear surface.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Applicant: Delavan Inc.
    Inventors: Lukas Shea, Joseph Samo
  • Patent number: 10584878
    Abstract: A swirler includes a swirler body and a plurality of axial swirl vanes extending radially outward from the swirler body. At least one of the swirler body or vanes includes a spring channel defined therethrough. A fuel injector for a gas turbine engine can include an inner air swirler and/or outer air swirler as described above.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: March 10, 2020
    Assignee: Delavan Inc.
    Inventors: Brett A. Pfeffer, Jason A. Ryon
  • Publication number: 20200072129
    Abstract: A nozzle tip includes a nozzle tip body defining an upstream surface and an opposed downstream surface. An outlet orifice is defined through the nozzle tip body for fluid communication from a space upstream of the upstream surface to a space downstream of the downstream surface. The outlet orifice includes a cylindrical outlet portion defining an outlet axis, and a tapered inlet portion upstream of the outlet portion. The tapered inlet portion converges down towards the outlet axis in a direction from the upstream surface toward the downstream surface.
    Type: Application
    Filed: November 7, 2019
    Publication date: March 5, 2020
    Applicant: Delavan Inc.
    Inventors: Steven J. Myers, Andy W. Tibbs, Joseph Samo, Jason A. Ryon
  • Patent number: 10578022
    Abstract: A transfer tube assembly includes an outer tube defining a first flow path and an inner tube positioned within the first flow path. The inner tube defines a second flow path in fluid isolation from the first flow path. A connecting segment is downstream from the inner tube and the outer tube. The connecting segment has a first bore in fluid communication with the first flow path and a second bore in fluid communication with the second flow path.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: March 3, 2020
    Assignee: Delavan Inc.
    Inventors: Jason A. Ryon, Jacob Greenfield, Lev Alexander Prociw
  • Patent number: 10576510
    Abstract: A system for cleaning an additive manufacturing machine recoater includes a position module for sensing and/or determining a position of a recoater of the additive manufacturing machine and a gas manifold disposed in the additive manufacturing machine and configured to spray a pressurized gas on the recoater when the recoater is in at least one cleaning position. The system includes a valve configured to allow the pressurized gas to flow from a gas source to the gas manifold, and a valve control module configured to control the valve as a function of the position sensed and/or determined by the position module.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: March 3, 2020
    Assignee: DELAVAN, INC.
    Inventors: Matthew Donovan, Danielle Douskey, Andy W. Tibbs
  • Patent number: 10578021
    Abstract: A combustion system for a gas turbine engine includes a combustor dome. The combustor dome includes a fuel manifold with an inlet and nozzle components of a plurality of nozzles circumferentially spaced around the combustor dome. The fuel manifold and nozzle components are integrated with the combustor dome for fluid communication from the inlet to the nozzle components.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: March 3, 2020
    Assignee: Delavan Inc
    Inventor: Lev A. Prociw
  • Patent number: 10578531
    Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: March 3, 2020
    Assignee: Delavan Inc.
    Inventors: Jacob Greenfield, Thomas J. Ocken, Andy W. Tibbs, Lukas Shea, Joseph Samo
  • Patent number: 10570826
    Abstract: A fluid manifold includes a manifold body, a first annular passage and a second annular passage. The first annular passage is defined within the manifold body between a first passage inlet and a first passage outlet downstream from the first passage inlet. The second annular passage is defined within the manifold body nested radially outward from the first annular passage, and between a second passage inlet and a second passage outlet downstream from the second passage inlet. The first and second annular passages are concentric about a manifold axis. The first passage outlet and the second passage outlet are positioned at the same axial position relative to the manifold axis.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 25, 2020
    Assignee: Delavan Inc.
    Inventors: Jason A. Ryon, Jacob Greenfield, Lev Alexander Prociw
  • Patent number: 10571377
    Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: February 25, 2020
    Assignee: Delavan Inc.
    Inventors: Jacob Greenfield, Thomas J. Ocken, Jerry Logsdon, Lukas Shea
  • Publication number: 20200056082
    Abstract: A particulate for an additive manufacturing technique includes a particulate body formed from a particulate material and a coating disposed over particulate body. The coating includes a carbonaceous material that has a reflectivity that is lower than a reflectivity of the particulate material to reduce an energy input requirement of the particulate such that less energy is necessary to fuse the particulate into a layer of an article fabricated using the additive manufacturing technique. A method of making particulate is also disclosed.
    Type: Application
    Filed: September 20, 2019
    Publication date: February 20, 2020
    Applicant: Delavan Inc.
    Inventors: John A. Sharon, Ying She, Tahany I. El-Wardany, Wayde R. Schmidt
  • Patent number: 10557630
    Abstract: A swirler includes an inner body defining a swirl axis. A plurality of swirl vanes extend outward from the inner body. The swirl vanes define respective swirl slots therebetween for imparting swirl on a fluid passing through the swirl slots. A method of making swirlers includes additively manufacturing a stack of swirlers.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: February 11, 2020
    Assignee: Delavan Inc.
    Inventors: Jason A. Ryon, Joseph Samo, Jacob Greenfield, Andy W. Tibbs
  • Patent number: 10527286
    Abstract: A nozzle includes a nozzle body with an inner air passage fed by a first radial swirler and a second radial swirler axially downstream of the first radial swirler. A first fuel circuit is axially between the first and second radial swirlers. A second fuel circuit is axially downstream of the second radial swirler, wherein each of the first fuel circuit and the second fuel circuit extends from a respective fuel circuit inlet to a respective annular fuel circuit outlet. An outer air passage is defined between a fuel circuit outer wall of the second fuel circuit and an outer air passage wall, wherein the outer air passage is a converging non-swirling air passage. An intermediate air passage can be defined between an intermediate wall and the second radial swirler, wherein the intermediate air passage is a converging non-swirling air passage.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: January 7, 2020
    Assignee: DELAVAN, INC
    Inventors: Lev Alexander Prociw, Jason A. Ryon
  • Patent number: 10527027
    Abstract: In accordance with at least one aspect of this disclosure, a structure can include a first body formed from a first material, and a second body disposed on or embedded within the first body. The second body includes a shape memory alloy configured to provide a first stress to the first body in a first state and a second stress to the first body in a second state. The shape memory alloy is configured to transition from the first and second state as a function of an applied activation energy.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: January 7, 2020
    Assignee: DELAVAN INC.
    Inventors: Sergey Mironets, Alexander Staroselsky, Robert Bianco